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Author SHA1 Message Date
Alkis Evlogimenos
dd550dc9cd Add constant folding capabilities to the isunordered intrinsic. 
llvm-svn: 14168
 2004-06-13 01:23:56 +00:00
Alkis Evlogimenos
dcf5341b61 Really add the docs this time :-) 
llvm-svn: 14167
 2004-06-13 01:16:15 +00:00
Alkis Evlogimenos
173e9e832c Make assertions more consistent with the rest of the intrinsic 
function verification and make it a requirement that both arguments to
llvm.isunordered are of the same type.

llvm-svn: 14165
 2004-06-13 00:55:26 +00:00
Alkis Evlogimenos
9b28aef6cb Add the isunordered intrinsic. 
llvm-svn: 14159
 2004-06-12 19:19:14 +00:00
Reid Spencer
5310ad2ad5 Reduce the number of columns in the alpha index to 4 so that it fits 
on a 1280x1024 screen!

llvm-svn: 14158
 2004-06-12 14:46:02 +00:00
Chris Lattner
a8fd205112 It is no longer 2001 
llvm-svn: 14157
 2004-06-11 21:12:22 +00:00
Brian Gaeke
a4caf3f4f1 Don't trim @PrevDays (causing an error) if it isn't long enough. 
llvm-svn: 14156
 2004-06-11 19:55:30 +00:00
Misha Brukman
4fdc92647b Fix grammar: 's is for possessive only. 
llvm-svn: 14155
 2004-06-11 16:50:21 +00:00
Reid Spencer
efdd7cd3ac Implement tracking of bytecode instruction size and the number of long 
instructions generated.

llvm-svn: 14154
 2004-06-11 15:10:38 +00:00
Reid Spencer
1c1bf98896 Add two options to the program: 
-release causes ENABLE_OPTIMIZED=1 to be added to the make line so that
         the test runs against optimized code.
-pedantic causes the CompileOptimizeOpts variable to be overridden to
          add several additional warnings not picked up by -Wall. This
	  should help catch additional programming faux pas. See the diff
	  for the specific details.

llvm-svn: 14153
 2004-06-11 07:06:22 +00:00
Chris Lattner
84269aa91e Fix fallout from getOffsetOfLocalArea() being negated. Debugging dumps were being 
printed incorrectly, and we were reserving 8 extra bytes of stack space for functions
on X86.

llvm-svn: 14152
 2004-06-11 06:37:11 +00:00
Chris Lattner
8dd2380de4 llvm.isnan doesn't access memory 
llvm-svn: 14151
 2004-06-11 06:17:13 +00:00
Chris Lattner
66790212ba Constant fold the isnan intrinsic 
llvm-svn: 14150
 2004-06-11 06:16:23 +00:00
Chris Lattner
81db12e7d7 Add tests for isnan 
llvm-svn: 14149
 2004-06-11 06:16:13 +00:00
Chris Lattner
3a8e675c03 By far, one of the most common uses of isnan is to make 'isunordered' 
comparisons.  In an 'isunordered' predicate, which looks like this at
the LLVM level:

        %a = call bool %llvm.isnan(double %X)
        %b = call bool %llvm.isnan(double %Y)
        %COM = or bool %a, %b

We used to generate this code:

        fxch %ST(1)
        fucomip %ST(0), %ST(0)
        setp %AL
        fucomip %ST(0), %ST(0)
        setp %AH
        or %AL, %AH

With this patch, we generate this code:

        fucomip %ST(0), %ST(1)
        fstp %ST(0)
        setp %AL

Which should make alkis happy.  Tested as X86/compare_folding.llx:test1

llvm-svn: 14148
 2004-06-11 05:33:49 +00:00
Chris Lattner
e010d3c940 Test that the X86 backend is only emitting one fucom instruction 
for each 'COM =' line.

llvm-svn: 14147
 2004-06-11 05:30:34 +00:00
Chris Lattner
f78e3e7f63 Fix bug in previous checkin 
llvm-svn: 14146
 2004-06-11 05:22:44 +00:00
Chris Lattner
7d8093efb1 No really, these are dead now 
llvm-svn: 14145
 2004-06-11 04:50:14 +00:00
Chris Lattner
a8e603b719 Now that compare instructions aren't lumped in with the other twoargfp instructions, 
we can get rid of the FpUCOM/FpUCOMi pseudo instructions, which makes stuff simpler
and faster.

llvm-svn: 14144
 2004-06-11 04:49:02 +00:00
Chris Lattner
b050f778ca Introduce a new FP instruction type to separate the compare cases from the 
twoarg cases.

llvm-svn: 14143
 2004-06-11 04:41:24 +00:00
Chris Lattner
f9117d37fd Bug fixed, new feature 
llvm-svn: 14142
 2004-06-11 04:35:21 +00:00
Chris Lattner
edb06042b9 Add direct support for the isnan intrinsic, implementing test/Regression/CodeGen/X86/isnan.llx 
testcase

llvm-svn: 14141
 2004-06-11 04:31:10 +00:00
Chris Lattner
4c8b57ea31 Add support for the setp instructions 
llvm-svn: 14140
 2004-06-11 04:30:06 +00:00
Chris Lattner
c66e996765 Split compare instruction handling OUT of handleTwoArgFP into handleCompareFP. 
This makes the code much simpler, and the two cases really do belong apart.
Once we do it, it's pretty obvious how flawed the logic was for A != A case,
so I fixed it (fixing PR369).

This also uses freeStackSlotAfter instead of inserting an fxchg then
popStackAfter'ing in the case where there is a dead result (unlikely, but
possible), producing better code.

llvm-svn: 14139
 2004-06-11 04:25:06 +00:00
Reid Spencer
810a005b40 Change tags rule to pipe output from find through etags command so that it 
doesn't break on machines with limited command line lengths.

llvm-svn: 14138
 2004-06-11 03:10:27 +00:00
Reid Spencer
7172b26a18 Revert an unneeded interface change to Instruction.h 
llvm-svn: 14137
 2004-06-11 03:06:43 +00:00
Chris Lattner
6fc9e8dd94 Testcase for PR369 
llvm-svn: 14136
 2004-06-11 02:59:47 +00:00
Chris Lattner
c90dfb64dd Check to make sure that isnan doesn't require calling a function 
llvm-svn: 14135
 2004-06-11 02:54:54 +00:00
Chris Lattner
94a66c3038 Fix lowering to work correctly 
llvm-svn: 14134
 2004-06-11 02:54:02 +00:00
Chris Lattner
145f2e2936 I misled Alkis: LLVM should have isnan, not isunordered. 
isunordered(X, Y) === isnan(X) | isnan(Y)

Remove isunordered, add isnan.

Modernize testcase

llvm-svn: 14133
 2004-06-11 02:29:57 +00:00
Chris Lattner
b07bf147cd I misled Alkis: LLVM should have isnan, not isunordered. 
isunordered(X, Y) === isnan(X) | isnan(Y)

Remove isunordered, add isnan.

llvm-svn: 14132
 2004-06-11 02:29:43 +00:00
Chris Lattner
99dc0a4bda Document the llvm.isnan intrinsic 
llvm-svn: 14131
 2004-06-11 02:28:03 +00:00
Brian Gaeke
b368ff8ad4 Bug fixed. 
llvm-svn: 14130
 2004-06-11 02:15:39 +00:00
Brian Gaeke
270a6ba455 Test case for PR368 
llvm-svn: 14129
 2004-06-11 02:11:43 +00:00
Brian Gaeke
c5bb88c934 Turn loads of ConstantPointerNulls into loads of zero... don't spill 
them into the constant pool.

llvm-svn: 14128
 2004-06-11 02:03:48 +00:00
Alkis Evlogimenos
1ae8b4e7c4 Add the isunordered intrinsic. 
llvm-svn: 14127
 2004-06-11 01:08:18 +00:00
Alkis Evlogimenos
792243f603 Add feature test for llvm intrinsics. It currently contains only the "isunordered" intrinsic 
llvm-svn: 14126
 2004-06-11 01:06:40 +00:00
Reid Spencer
b2f8a70990 Updated the BytecodeAnalysis data structure to contain additional fields 
needed for analysis of individual functions.

llvm-svn: 14125
 2004-06-10 22:28:11 +00:00
Reid Spencer
aa6ccbcdee Added an isPhiNode(unsigned) static method to determine if an opcode is 
a PhiNode or not. Needed by Bytecode Analyzer.

llvm-svn: 14124
 2004-06-10 22:27:10 +00:00
Reid Spencer
35e67bbc91 Remove tabs. 
llvm-svn: 14123
 2004-06-10 22:03:00 +00:00
Reid Spencer
024d735433 Implement detailed function level data collection and reporting. 
llvm-svn: 14122
 2004-06-10 22:00:54 +00:00
Reid Spencer
4a21e2053a Adjust prototypes to new Handler interface. 
llvm-svn: 14121
 2004-06-10 22:00:29 +00:00
Reid Spencer
11466e62a7 Make the parser deal with functions instead of just function types. 
llvm-svn: 14120
 2004-06-10 21:59:20 +00:00
Reid Spencer
1cdaa55cda Clean up documentation and naming of variables. 
llvm-svn: 14119
 2004-06-10 18:38:44 +00:00
Misha Brukman
d3374cf482 Remove extra space. 
llvm-svn: 14117
 2004-06-10 12:51:35 +00:00
Reid Spencer
4dcaebd069 Doxygenize a comment. 
llvm-svn: 14115
 2004-06-10 08:27:00 +00:00
Reid Spencer
49b2fca671 Made detailed output the default and changed -details option to -nodetails. 
llvm-svn: 14114
 2004-06-10 08:24:42 +00:00
Reid Spencer
ce1adf1ff0 Implemented the bulk of the functionality. Cleaned up the code. 
llvm-svn: 14113
 2004-06-10 08:09:13 +00:00
Brian Gaeke
e24e40500f Allow dates with slashes in them in $DateRE. 
Don't match on $Filename (which will be unset) if we hit 'UNMATCHABLE:'.

llvm-svn: 14112
 2004-06-10 07:44:28 +00:00
Chris Lattner
71f351ddf9 Fix the prolog epilog code inserter to match the documentation and support 
targets whose stack grows up.

Patch contributed by Vladimir Prus

llvm-svn: 14111
 2004-06-10 06:23:35 +00:00